CN210402623U - Fire monitoring alarm device and system - Google Patents
Fire monitoring alarm device and system Download PDFInfo
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- CN210402623U CN210402623U CN201921405697.5U CN201921405697U CN210402623U CN 210402623 U CN210402623 U CN 210402623U CN 201921405697 U CN201921405697 U CN 201921405697U CN 210402623 U CN210402623 U CN 210402623U
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- communication unit
- temperature sensor
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Abstract
The utility model relates to a data monitoring technology field provides a fire monitoring alarm device and system, and above-mentioned fire monitoring alarm device includes: the device comprises a sensor unit, a wireless communication unit, an alarm unit and a power supply unit; the sensor unit is used for collecting monitoring information and sending the collected monitoring information to the wireless communication unit; the wireless communication unit is used for sending the collected monitoring information to superior equipment and sending an alarm instruction to the alarm unit according to the collected monitoring information; the alarm unit is used for giving an alarm according to the alarm instruction; the power supply unit is used for supplying power for the sensor unit, the wireless communication unit and the alarm unit. The utility model provides a fire monitoring alarm device passes through wireless mode and is connected with higher level's equipment, and the wiring is simple, transmission distance is far away, relatively independent and easily distributed setting.
Description
Technical Field
The utility model belongs to the technical field of data monitoring, especially, relate to a fire monitoring alarm device and system.
Background
In order to prevent the occurrence of fire and improve the intellectualization of fire monitoring, people design a fire alarm, and automatically send out an alarm when a fire occurs, so that the occurrence of the fire is avoided, and the safety intensity is improved.
The existing fire alarm is connected with superior equipment in wired modes such as Modbus232 or 485, so that wiring is complicated and the transmission distance is limited.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a fire monitoring alarm device and system to solve among the prior art fire alarm and adopt wired mode and higher level equipment to be connected, thereby lead to the loaded down with trivial details and limited problem of transmission distance of wiring.
The embodiment of the utility model provides a first aspect provides a fire monitoring alarm device, include: the device comprises a sensor unit, a wireless communication unit, an alarm unit and a power supply unit;
the sensor unit is used for collecting monitoring information and sending the collected monitoring information to the wireless communication unit;
the wireless communication unit is used for sending the collected monitoring information to superior equipment in a wireless transmission mode and sending an alarm instruction to the alarm unit according to the collected monitoring information;
the alarm unit is used for giving an alarm according to the alarm instruction;
the power supply unit is used for supplying power for the sensor unit, the wireless communication unit and the alarm unit.
Optionally, the sensor unit comprises: a first temperature sensor circuit and a second temperature sensor circuit;
the first temperature sensor circuit and the second temperature sensor circuit are respectively connected with the wireless communication unit and the power supply unit.
Optionally, the first temperature sensor circuit includes a first temperature sensor, and the second temperature sensor circuit includes a second temperature sensor;
the first temperature sensor is used for acquiring the ambient temperature and sending the acquired ambient temperature to the wireless communication unit;
the second temperature sensor is in contact with the monitored equipment and used for collecting the temperature of the monitored equipment and sending the collected temperature of the monitored equipment to the wireless communication unit.
Optionally, the first temperature sensor circuit further includes: a first resistor and a first capacitor;
the first end of the first resistor is connected with the positive electrode power source end of the power supply unit, and the second end of the first resistor is connected with the output end of the first temperature sensor;
the first end of the first capacitor is connected with the anode power supply end of the power supply unit, and the second end of the first capacitor is grounded;
optionally, the sensor unit further comprises: an infrared sensor circuit;
the infrared sensor circuit is respectively connected with the wireless communication unit and the power supply unit.
Optionally, the infrared sensor circuit includes: the infrared sensor, the first diode, the second resistor, the third resistor, the second capacitor and the third capacitor;
the anode of the first diode is connected with the anode power source end of the power supply unit, the cathode of the first diode is connected with the power source end of the infrared sensor, the cathode of the first diode is also connected with the second resistor and the third resistor in series and then grounded, and the connecting point of the second resistor and the third resistor is connected with the setting end of the infrared sensor;
the output end of the first temperature sensor is also connected with the wireless communication unit.
The second capacitor is connected with the third resistor in parallel, and the third capacitor is connected between the negative electrode of the first diode and the grounding end in parallel;
the grounding end of the infrared sensor is grounded, and the output end of the infrared sensor is connected with the wireless communication unit.
Optionally, the wireless communication unit includes: the wireless transmission module and an antenna connected with the wireless transmission module;
the wireless transmission module is respectively connected with the alarm unit, the power supply unit and the sensor unit.
Optionally, the wireless transmission module includes: LoRa wireless transmission module.
Optionally, the alarm unit includes: an acoustic alarm circuit and/or an optical alarm circuit.
The embodiment of the utility model provides a second aspect provides a fire monitoring alarm system, including at least one the utility model provides an arbitrary kind of fire monitoring alarm device in the first aspect.
The embodiment of the utility model provides a fire monitoring alarm device includes: sensor unit, wireless communication unit, alarm unit and power supply unit. The sensor unit collects monitoring information in real time and transmits the monitoring information to the wireless communication unit, the wireless communication unit sends the collected detection information to superior equipment in a wireless communication mode and sends an alarm instruction to the alarm unit according to the collected monitoring information, and the alarm module sends an alarm according to the alarm instruction. The fire monitoring and alarming device is connected with superior equipment in a wireless transmission mode, is simple in wiring, long in transmission distance, relatively independent and easy to set in a distributed mode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of a fire monitoring alarm device according to an embodiment of the present invention;
fig. 2 is a schematic view of another fire monitoring alarm device provided by the embodiment of the present invention;
fig. 3 is a schematic diagram of a first temperature sensor circuit provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of an infrared sensor circuit provided by an embodiment of the present invention;
fig. 5 is a schematic diagram of an acoustic alarm circuit according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Referring to fig. 1, the embodiment of the present invention provides a fire monitoring alarm device, including: sensor unit 11, wireless communication unit 12, alarm unit 13 and power supply unit 14.
The sensor unit 11 is configured to collect monitoring information and send the collected monitoring information to the wireless communication unit 12.
The wireless communication unit 12 is configured to send the collected monitoring information to a higher-level device in a wireless transmission manner, and send an alarm instruction to the alarm unit 13 according to the collected monitoring information.
The alarm unit 13 is used for giving an alarm according to the alarm instruction.
The power supply unit 14 is used for supplying power to the sensor unit 11, the wireless communication unit 12 and the alarm unit 13.
The embodiment of the utility model provides a fire monitoring alarm device, sensor unit 11 gathers monitoring information in real time and transmits for wireless communication unit 12, and wireless communication unit 12 sends the monitoring information who gathers for higher level's equipment through wireless transmission mode to carry out some simple processings and send alarm command to alarm unit 13 according to the monitoring information who gathers. The fire monitoring and alarming device is not provided with a control unit independently, but the wireless communication unit 13 undertakes the task of simple data processing, processes monitoring information collected by the sensor unit 11, judges whether a fire occurs or not, if the fire occurs, the wireless communication unit 12 sends an alarming instruction to the alarming unit 13, and the alarming unit 13 gives an alarm to prompt a user that a fire risk exists. The fire monitoring and alarming device has simple structure and is easy to install and maintain; meanwhile, the fire monitoring and alarming device is connected with superior equipment in a wireless transmission mode, wiring is simple, transmission distance is long, and the device is relatively independent and easy to set in a distributed mode.
In some embodiments, referring to fig. 2, the sensor unit 11 may include: a first temperature sensor circuit 111 and a second temperature sensor circuit 112.
The first temperature sensor circuit 111 and the second temperature sensor circuit 112 are each connected to the wireless communication unit 12 and the power supply unit 14, respectively.
In some embodiments, the first temperature sensor circuit 111 may include a first temperature sensor and the second temperature sensor circuit 112 may include a second temperature sensor.
The first temperature sensor is used for acquiring the ambient temperature and sending the acquired ambient temperature to the wireless communication unit 12; the second temperature sensor is disposed in contact with the monitored device, and is configured to collect a temperature of the monitored device and send the collected temperature of the monitored device to the wireless communication unit 12. For example, the wireless communication unit 12, the alarm unit 13, the power supply unit 14 and part of the sensor units 11 are all disposed on a circuit board, and the second temperature sensor is attached to the surface of the monitored device and connected to the circuit board through a cable, so as to collect the temperature of the monitored device and send the collected temperature of the monitored device to the wireless communication unit 12 through the cable. The collected monitoring information may include: the ambient temperature collected by the first temperature sensor and the temperature of the monitored equipment collected by the second temperature sensor.
The wireless communication unit 12 calculates a difference between the temperature of the monitored equipment collected by the second temperature sensor and the ambient temperature collected by the first temperature sensor, and when the difference is greater than a first preset temperature threshold, the alarm unit 13 gives an alarm to prompt fire risks.
In some embodiments, referring to fig. 3, the first temperature sensor circuit 111 may further include: a first resistor R7 and a first capacitor C10.
The first end of the first resistor R7 is connected to the positive power source VCC of the power supply unit 14, the second end of the first resistor R7 is connected to the output end (4 pins) of the first temperature sensor U3, the first end of the first capacitor C10 is connected to the positive power source VCC of the power supply unit 14, the second end of the first capacitor C10 is grounded, the idle end (1 pin, 2 pins, 6 pins, 7 pins and 8 pins) of the first temperature sensor U3 is grounded, and the output end (4 pins) of the first temperature sensor U3 is further connected to the wireless communication unit 12. In some embodiments, the first temperature sensor U3 may be model DS18B 20Z.
In some embodiments, the sensor unit 11 may further include: an infrared sensor circuit 113.
The infrared sensor circuit 113 is connected to the wireless communication unit 12 and the power supply unit 14, respectively. The infrared sensor circuit 113 is used to prevent the fire monitoring alarm device from being stolen. For example, the fire monitoring alarm device is provided in an equipment box, and when someone opens the equipment box, the infrared sensor circuit 113 monitors human body information and transmits the human body information to a superior device through the wireless communication unit 12.
In some embodiments, referring to fig. 4, the infrared sensor circuit 113 may include: the infrared sensor U2, first diode D1, second resistance R4, third resistance R6, second electric capacity C11, third electric capacity C9.
The anode of the first diode D1 is connected to the anode power source VCC of the power supply unit 14, the cathode of the first diode D1 is connected to the power source (pin 3) of the infrared sensor U2, the cathode of the first diode D1 is further connected in series to the second resistor R4 and the third resistor R6 and then grounded, the connection point of the second resistor R4 and the third resistor R6 is connected to the setting end (pin 2) of the infrared sensor U2, the second capacitor C11 is connected in parallel to the third resistor R6, the third capacitor C9 is connected in parallel between the cathode of the first diode D1 and the ground end GND, the ground end (pin 1) of the infrared sensor U2 is grounded, and the output end (pin 4) of the infrared sensor U2 is connected to the wireless communication unit 12. For example, the infrared sensor U2 may be model AS 412.
In some embodiments, referring to fig. 2, the wireless communication unit 12 may include: a wireless transmission module 121 and an antenna 122 connected to the wireless transmission module. The wireless transmission module 121 is connected to the alarm unit 13, the power supply unit 14, and the sensor unit 11, respectively, and is configured to send monitoring information acquired by the sensor unit 11 to a higher-level device.
In some embodiments, the wireless transmission module 121 may include: long Range Radio (Long Range Radio) wireless transmission module.
The LoRa wireless transmission module has the advantages of low power consumption, long transmission distance, low cost, simple deployment, short time delay, large network capacity and reliable data transmission, the transmission distance is 3-5 times of the wireless radio frequency communication distance under the same power consumption, LoRa network deployment can be completed without depending on operators, the layout is faster, the cost is lower, and the LoRa technical advantage is obvious in indoor and underground environments with weaker signals and is suitable for diversified application scenes. The embodiment of the utility model provides an in adopt loRa wireless transmission module to carry out wireless transmission, send the monitoring information that sensor unit 11 gathered for higher level's equipment through loRaWAN mode, loRa wireless transmission module consumption is little, transmission distance is short and easily arrange, can satisfy the demand of this embodiment. Meanwhile, the LoRa wireless transmission module can perform simple data processing, process the acquired monitoring information and send an alarm instruction to the alarm unit 13 according to the processing result. The ID number of the LoRa wireless transmission module is globally unique, and the superior equipment can judge the specific position of a fire according to the ID number of the LoRa wireless transmission module. In some embodiments, the model number of the LoRa wireless transmission module may be OMx 02.
In some embodiments, referring to fig. 2, the alarm unit 13 may include: an acoustic alarm circuit 131 and/or an optical alarm circuit 132. Both the acoustic alarm circuit 131 and the optical alarm circuit 132 may be provided, or only one of them may be provided. For example, when the acoustic alarm circuit 131 and the optical alarm circuit 132 are both set, the wireless communication unit 12 calculates a difference between the temperature of the monitored equipment collected by the second temperature sensor and the ambient temperature collected by the first temperature sensor, and when the difference is greater than a first preset temperature threshold and smaller than a second temperature threshold, the optical alarm circuit 132 sends an alarm to indicate a low fire risk; when the difference is greater than the second preset temperature threshold and less than the third preset temperature threshold, the acoustic alarm circuit 131 gives an alarm to prompt a medium fire risk; when the difference is greater than the third preset temperature threshold, both the acoustic alarm circuit 131 and the optical alarm circuit 132 give out an alarm to indicate a high fire. The first temperature threshold is smaller than the second temperature threshold, and the second temperature threshold is smaller than the third temperature threshold.
In some embodiments, referring to fig. 5, the acoustic alarm circuit 131 may include: a fourth resistor R27, a second diode D2, a buzzer B1 and a switch tube Q6.
A first end of the fourth resistor R27 is connected to the positive power terminal VCC of the power unit 14, a second end of the fourth resistor R27 is connected to the positive input terminal of the buzzer B1, the negative input terminal of the buzzer B1 is connected to the collector of the switching tube Q6, the emitter of the switching tube Q6 is grounded, and the base of the switching tube Q6 is connected to the wireless communication unit 12. The anode of the second diode D2 is connected to the cathode input terminal of the buzzer B1, and the cathode of the second diode D2 is connected to the anode input terminal of the buzzer B1. When the wireless communication unit 12 determines that there is a fire risk, the wireless communication unit 12 outputs a high level to the base of the switching tube Q6, the switching tube Q6 is turned on, and the buzzer B1 sounds an alarm.
In some embodiments, the light alarm circuit 132 may include: a light emitting diode.
In some embodiments, the power supply unit 14 may include: a battery. For example, the battery may include a rechargeable battery or a lithium ion battery, or the like. The voltage of the positive electrode power source terminal VCC of the power supply unit 14 may be 3.3V.
Corresponding to any kind of above-mentioned fire monitoring alarm device, the embodiment of the utility model provides a fire monitoring alarm system is still provided, and this fire monitoring alarm system includes any kind of fire monitoring alarm device of at least one above-mentioned, and has the advantage that above-mentioned fire monitoring alarm device has, no longer gives unnecessary details here.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A fire monitoring alarm device, comprising: the device comprises a sensor unit, a wireless communication unit, an alarm unit and a power supply unit;
the sensor unit is used for acquiring monitoring information and sending the acquired monitoring information to the wireless communication unit;
the wireless communication unit is used for sending the collected monitoring information to superior equipment in a wireless transmission mode and sending an alarm instruction to the alarm unit according to the collected monitoring information;
the alarm unit is used for giving an alarm according to the alarm instruction;
the power supply unit is used for supplying power to the sensor unit, the wireless communication unit and the alarm unit.
2. A fire monitoring alarm unit according to claim 1, characterised in that the sensor unit comprises: a first temperature sensor circuit and a second temperature sensor circuit;
the first temperature sensor circuit and the second temperature sensor circuit are both connected to the wireless communication unit and the power supply unit, respectively.
3. The fire monitoring alarm unit of claim 2, wherein the first temperature sensor circuit includes a first temperature sensor and the second temperature sensor circuit includes a second temperature sensor;
the first temperature sensor is used for acquiring the ambient temperature and sending the acquired ambient temperature to the wireless communication unit;
the second temperature sensor is in contact with the monitored equipment and used for collecting the temperature of the monitored equipment and sending the collected temperature of the monitored equipment to the wireless communication unit.
4. A fire monitoring alarm unit according to claim 3 wherein the first temperature sensor circuit further comprises: a first resistor and a first capacitor;
the first end of the first resistor is connected with the positive electrode power source end of the power supply unit, and the second end of the first resistor is connected with the output end of the first temperature sensor;
the first end of the first capacitor is connected with the anode power supply end of the power supply unit, and the second end of the first capacitor is grounded;
the output end of the first temperature sensor is also connected with the wireless communication unit.
5. A fire monitoring alarm unit according to claim 2, characterised in that the sensor unit further comprises: an infrared sensor circuit;
the infrared sensor circuit is respectively connected with the wireless communication unit and the power supply unit.
6. A fire monitoring alarm unit according to claim 5 wherein the infrared sensor circuit includes: the infrared sensor, the first diode, the second resistor, the third resistor, the second capacitor and the third capacitor;
the anode of the first diode is connected with the anode power end of the power supply unit, the cathode of the first diode is connected with the power end of the infrared sensor, the cathode of the first diode is connected with the second resistor and the third resistor in series and then grounded, and the connecting point of the second resistor and the third resistor is connected with the setting end of the infrared sensor;
the second capacitor is connected with the third resistor in parallel, and the third capacitor is connected between the negative electrode of the first diode and the ground terminal in parallel;
the grounding end of the infrared sensor is grounded, and the output end of the infrared sensor is connected with the wireless communication unit.
7. The fire monitoring alarm device of claim 1, wherein the wireless communication unit comprises: the wireless transmission module comprises a wireless transmission module and an antenna connected with the wireless transmission module;
the wireless transmission module is respectively connected with the alarm unit, the power supply unit and the sensor unit.
8. The fire monitoring alarm device of claim 7, wherein the wireless transmission module comprises: LoRa wireless transmission module.
9. A fire monitoring alarm unit according to any one of claims 1 to 8 wherein the alarm unit includes: an acoustic alarm circuit and/or an optical alarm circuit.
10. A fire monitoring alarm system including at least one fire monitoring alarm device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921405697.5U CN210402623U (en) | 2019-08-27 | 2019-08-27 | Fire monitoring alarm device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921405697.5U CN210402623U (en) | 2019-08-27 | 2019-08-27 | Fire monitoring alarm device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210402623U true CN210402623U (en) | 2020-04-24 |
Family
ID=70339834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921405697.5U Expired - Fee Related CN210402623U (en) | 2019-08-27 | 2019-08-27 | Fire monitoring alarm device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210402623U (en) |
-
2019
- 2019-08-27 CN CN201921405697.5U patent/CN210402623U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 Termination date: 20210827 |